<template>
  <view class="cart-container" v-if="cart.length !== 0">
    <my-address></my-address>
    <!-- 购物车商品列表的标题区域 -->
    <view class="cart-title">
      <uni-icons type="shop" size="30"></uni-icons>
      <text class="cart-title-text">购物车</text>
    </view>
    
    <!-- 商品列表区域 -->
      <uni-swipe-action>
      	<view v-for="(item, i) in cart" :key="i" @click="goToDeatil(item)">
      	    <uni-swipe-action-item :right-options="options" @click="swipeActionClickHandler(item)">
      	    	<my-goods :goodsInfo="item" :showRadio="true" 
                @radioChange="radioChangeHandler" :showNum="true" @numberChange="numberChangeHandler">
              </my-goods>
      	    </uni-swipe-action-item>
      	</view>
      </uni-swipe-action>
      
      <!-- 结算区域 -->
      <my-settle></my-settle>
  </view>
  
  <!-- 空白购物车区域 -->  
   <view class="empty-cart" v-else>
      <image src="/static/cart_empty@2x.png" class="empty-img"></image>
      <text class="tip-text">空空如也~~</text>
    </view>
  
</template>

<script>
  import { mapState, mapMutations } from 'vuex'
  import badgeMix from '../../mixins/tabbar-badge.js'
  export default {
    mixins: [badgeMix],
    data() {
      return {
        options: [{
              text: '删除', // 显示的文本内容
              style: {
                backgroundColor: '#C00000' // 按钮的背景颜色
          }
        }]
      };
    },
    computed: {
      ...mapState('m_cart', ['cart'])
    },
    methods: {
      ...mapMutations('m_cart', ['updateGoodsState', 'updateGoodsCount', 'removeGoodsById']),
      radioChangeHandler(e) {
        // console.log(e);
        this.updateGoodsState(e)
      },
      numberChangeHandler(e) {
        // console.log(e);
        this.updateGoodsCount(e)
      },
      swipeActionClickHandler(goodsInfo) {
        // console.log(goodsInfo);
        this.removeGoodsById(goodsInfo.goods_id)
      },
      goToDeatil(goodsInfo) {
        // console.log(goodsInfo.goods_id);
        uni.navigateTo({
          url: '/subpkg/goods_detail/goods_detail?goods_id=' + goodsInfo.goods_id
        })
      }
    }
  }
</script>

<style lang="scss">
.cart-title {
  height: 40px;
  display: flex;
  align-items: center;
  font-size: 14px;
  padding-left: 5px;
  border-bottom: 1px solid #efefef;
  .cart-title-text {
    margin-left: 10px;
  }
}

.goods-item-left {
  margin-right: 5px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  
  .goods-pic {
    width: 100px;
    height: 100px;
    display: block;
  }
}

.cart-container {
  padding-bottom: 50px;
}

.empty-cart {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-top: 150px;

  .empty-img {
    width: 90px;
    height: 90px;
  }

  .tip-text {
    font-size: 12px;
    margin-top: 15px;
    color: #000;
    font-weight: 600;
  }
}
</style>
